Wireless serial port LoRa MESH networking module based on LoRa spread spectrum technology.Maximum output power of +22dBm and maximum air speed of 62.5Kbps.Maximum supported baud rate of 460800bps.Operates on a default frequency band of 433.125MHz with LoRa MESH networking technology.Decentralization, self-routing, network self-healing, and multi-level routing suitable for various applications including smart home, industrial sensors, and smart agriculture.The E52-400NW22S is a wireless serial port LoRa MESH networking module based on LoRa spread spectrum technology. This LoRa module operates on a default frequency band of 433.125MHz and adopts the LoRa MESH networking technology. It features decentralization, self-routing, network self-healing, and multi-level routing, making it suitable for smart home applications, industrial sensors, wireless alarm and security systems, building automation solutions, smart agriculture, and other application scenarios. Specifications: Interface Type: UART Serial Port Operating Frequency: 410.125~509.125MHz Transmit Power: 22dBm Communication Distance: 2.5km Dimensions: 20° x 14mmColor: As ShownMaterial: plasticPackage Contents:1*LoRa ModuleOnly the above package content, other products are not included.Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.